Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: ab6f33ed057a30928d4e6e01a8a4e4d5cfa4531f
https://github.com/WebKit/WebKit/commit/ab6f33ed057a30928d4e6e01a8a4e4d5cfa4531f
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2023-06-08 (Thu, 08 Jun 2023)
Changed paths:
M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp
Log Message:
-----------
[JSC] Optimize BBQJIT call_indirect
https://bugs.webkit.org/show_bug.cgi?id=257864
rdar://110485655
Reviewed by Justin Michaud.
1. Clean up some of call_indirect setup to shrink # of instructions / use
cheaper instructions.
2. We should restore memoryBase / memorySize only when we may change it. Adding
restoreWebAssemblyGlobalStateAfterWasmCall,
which avoids costly restoring when it is not changed.
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJIT::restoreWebAssemblyGlobalStateAfterWasmCall):
(JSC::Wasm::BBQJIT::addCall):
(JSC::Wasm::BBQJIT::emitIndirectCall):
(JSC::Wasm::BBQJIT::addCallIndirect):
Canonical link: https://commits.webkit.org/265000@main
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